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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef V8_AST_H_ | 5 #ifndef V8_AST_H_ |
| 6 #define V8_AST_H_ | 6 #define V8_AST_H_ |
| 7 | 7 |
| 8 #include "src/v8.h" | 8 #include "src/v8.h" |
| 9 | 9 |
| 10 #include "src/assembler.h" | 10 #include "src/assembler.h" |
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| 3108 \ | 3108 \ |
| 3109 Zone* zone_; \ | 3109 Zone* zone_; \ |
| 3110 bool stack_overflow_ | 3110 bool stack_overflow_ |
| 3111 | 3111 |
| 3112 | 3112 |
| 3113 // ---------------------------------------------------------------------------- | 3113 // ---------------------------------------------------------------------------- |
| 3114 // Construction time visitor. | 3114 // Construction time visitor. |
| 3115 | 3115 |
| 3116 class AstConstructionVisitor BASE_EMBEDDED { | 3116 class AstConstructionVisitor BASE_EMBEDDED { |
| 3117 public: | 3117 public: |
| 3118 AstConstructionVisitor() | 3118 AstConstructionVisitor() {} |
| 3119 : dont_crankshaft_reason_(kNoReason), dont_turbofan_reason_(kNoReason) {} | |
| 3120 | 3119 |
| 3121 AstProperties* ast_properties() { return &properties_; } | 3120 AstProperties* ast_properties() { return &properties_; } |
| 3122 BailoutReason dont_optimize_reason() { | |
| 3123 if (dont_turbofan_reason_ != kNoReason) { | |
| 3124 return dont_turbofan_reason_; | |
| 3125 } else { | |
| 3126 return dont_crankshaft_reason_; | |
| 3127 } | |
| 3128 } | |
| 3129 | 3121 |
| 3130 private: | 3122 private: |
| 3131 template<class> friend class AstNodeFactory; | 3123 template<class> friend class AstNodeFactory; |
| 3132 | 3124 |
| 3133 // Node visitors. | 3125 // Node visitors. |
| 3134 #define DEF_VISIT(type) \ | 3126 #define DEF_VISIT(type) \ |
| 3135 void Visit##type(type* node); | 3127 void Visit##type(type* node); |
| 3136 AST_NODE_LIST(DEF_VISIT) | 3128 AST_NODE_LIST(DEF_VISIT) |
| 3137 #undef DEF_VISIT | 3129 #undef DEF_VISIT |
| 3138 | 3130 |
| 3139 void add_flag(AstPropertiesFlag flag) { properties_.flags()->Add(flag); } | |
| 3140 void set_dont_crankshaft_reason(BailoutReason reason) { | |
| 3141 dont_crankshaft_reason_ = reason; | |
| 3142 } | |
| 3143 void set_dont_turbofan_reason(BailoutReason reason) { | |
| 3144 dont_turbofan_reason_ = reason; | |
| 3145 } | |
| 3146 | |
| 3147 void add_slot_node(AstNode* slot_node) { | 3131 void add_slot_node(AstNode* slot_node) { |
| 3148 FeedbackVectorRequirements reqs = slot_node->ComputeFeedbackRequirements(); | 3132 FeedbackVectorRequirements reqs = slot_node->ComputeFeedbackRequirements(); |
| 3149 if (reqs.slots() > 0) { | 3133 if (reqs.slots() > 0) { |
| 3150 slot_node->SetFirstFeedbackSlot( | 3134 slot_node->SetFirstFeedbackSlot( |
| 3151 FeedbackVectorSlot(properties_.feedback_slots())); | 3135 FeedbackVectorSlot(properties_.feedback_slots())); |
| 3152 properties_.increase_feedback_slots(reqs.slots()); | 3136 properties_.increase_feedback_slots(reqs.slots()); |
| 3153 } | 3137 } |
| 3154 if (reqs.ic_slots() > 0) { | 3138 if (reqs.ic_slots() > 0) { |
| 3155 slot_node->SetFirstFeedbackICSlot( | 3139 slot_node->SetFirstFeedbackICSlot( |
| 3156 FeedbackVectorICSlot(properties_.ic_feedback_slots())); | 3140 FeedbackVectorICSlot(properties_.ic_feedback_slots())); |
| 3157 properties_.increase_ic_feedback_slots(reqs.ic_slots()); | 3141 properties_.increase_ic_feedback_slots(reqs.ic_slots()); |
| 3158 } | 3142 } |
| 3159 } | 3143 } |
| 3160 | 3144 |
| 3161 AstProperties properties_; | 3145 AstProperties properties_; |
| 3162 BailoutReason dont_crankshaft_reason_; | |
| 3163 BailoutReason dont_turbofan_reason_; | |
| 3164 }; | 3146 }; |
| 3165 | 3147 |
| 3166 | 3148 |
| 3167 class AstNullVisitor BASE_EMBEDDED { | 3149 class AstNullVisitor BASE_EMBEDDED { |
| 3168 public: | 3150 public: |
| 3169 // Node visitors. | 3151 // Node visitors. |
| 3170 #define DEF_VISIT(type) \ | 3152 #define DEF_VISIT(type) \ |
| 3171 void Visit##type(type* node) {} | 3153 void Visit##type(type* node) {} |
| 3172 AST_NODE_LIST(DEF_VISIT) | 3154 AST_NODE_LIST(DEF_VISIT) |
| 3173 #undef DEF_VISIT | 3155 #undef DEF_VISIT |
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| 3640 private: | 3622 private: |
| 3641 Zone* zone_; | 3623 Zone* zone_; |
| 3642 Visitor visitor_; | 3624 Visitor visitor_; |
| 3643 AstValueFactory* ast_value_factory_; | 3625 AstValueFactory* ast_value_factory_; |
| 3644 }; | 3626 }; |
| 3645 | 3627 |
| 3646 | 3628 |
| 3647 } } // namespace v8::internal | 3629 } } // namespace v8::internal |
| 3648 | 3630 |
| 3649 #endif // V8_AST_H_ | 3631 #endif // V8_AST_H_ |
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